<template>
  <div>
    <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
      <el-form-item label="部门名称" prop="name">
        <el-input
          v-model="form.name"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input
          v-model="form.code"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select
          v-model="form.manager"
          style="width: 80%"
          placeholder="请选择"
        >
          <el-option
            v-for="item in list"
            :key="item.id"
            :value="item.username"
            :label="item.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input
          v-model="form.introduce"
          style="width: 80%"
          placeholder="1-300个字符"
          type="textarea"
          :rows="3"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
        <el-button size="small" @click="hCancel">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import {
  getEmployeesSimple,
  addDepartments,
  getDepartmentsDetail,
  editDepartments
} from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEidet: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 创建部门编号自定义规则函数
    const existCodeValid = (rule, value, callback) => {
      let existCodeList = this.originList.map((item) => {
        return item.code
      })
      if (this.isEidet) {
        existCodeList = this.originList
          .filter((item) => item.id !== this.id)
          .map((item) => item.code)
      }
      console.log(existCodeList, 'existCodeList')
      // 如果编码存在
      if (existCodeList.includes(value)) {
        // 校验失败  return 终止代码
        callback(new Error(`部门编码"${value}已存在`))
      } else {
        // 不存在放行
        callback()
      }
    }
    // 创建部门名称自定义规则函数
    const existNameValid = (rule, value, callback) => {
      // 遍历出已经存在的部门名称
      let existNameList = this.originList
        .filter((item) => item.pid === this.id)
        .map((item) => item.name)
      console.log(existNameList)
      if (this.isEidet) {
        const pid = this.originList.find((item) => item.id === this.id).pid // 根据this.id获取当前对象的pid
        const brothers = this.originList.filter((item) => item.pid === pid) // 找到所有的兄弟包括自己
        existNameList = brothers
          .filter((item) => item.id !== this.id)
          .map((item) => item.name) // 找到所有的兄弟部门名字
      }
      // 如果部门名称已经存在
      if (existNameList.includes(value)) {
        callback(new Error(`部门名称:${value}已经存在`))
      } else {
        // 不存在 放行
        callback()
      }
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      rules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          {
            min: 1,
            max: 50,
            message: '请输入长度为1~50的部门名称',
            trigger: 'blur'
          },
          { validator: existNameValid, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入部门编码', trigger: 'blur' },
          {
            min: 1,
            max: 50,
            message: '请输入长度为1~50的部门编码',
            trigger: 'blur'
          },
          // 自定义校验规则函数
          { validator: existCodeValid, trigger: 'blur' }
        ],
        manager: [
          {
            required: true,
            message: '请选择部门负责人',
            trigger: 'blur'
          }
        ],
        introduce: [
          { required: true, message: '请输入部门介绍', trigger: 'blur' },
          {
            min: 1,
            max: 300,
            message: '请输入长度为1~300的部门编码',
            trigger: 'blur'
          }
        ]
      },
      list: [] // 保存的部门负责人
    }
  },
  created() {
    // 调用函数,进来页面就获取列表
    this.loadEmployeesSimple()
    if (this.isEidet) {
      this.loadDepartmentsDetail()
    }
  },
  methods: {
    // 获取部门详情
    async loadDepartmentsDetail() {
      try {
        const res = await getDepartmentsDetail(this.id)
        console.log(res)
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 获取负责人列表
    async loadEmployeesSimple() {
      try {
        const res = await getEmployeesSimple()
        console.log(res)
        this.list = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 编辑部门
    async doEidet() {
      //
      try {
        await editDepartments(this.form)
        this.$message({ type: 'success', message: '修改成功' })
        this.$emit('success')
      } catch (err) {
        console.log(err)
        this.$message({ type: 'error', message: err })
      }
    },
    // 点击添加部门
    async doAdd() {
      try {
        const res = await addDepartments({ ...this.form, pid: this.id })
        console.log(res)
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 确定
    hSubmit() {
      this.$refs.deptForm.validate((valid) => {
        if (!valid) return
        this.isEidet ? this.doEidet() : this.doAdd()
      })
    },
    // 取消
    hCancel() {
      this.$emit('close')
    }
  }
}
</script>
